<template>
  <div class="header">
    <!-- 折叠按钮 -->
    <div class="collapse-btn" @click="collapseChage">
      <!-- <i class="el-icon-menu"></i> -->
      <div class="logo">
        <img :src="logoImg" />
      </div>
      直播管理系统
    </div>
    <!-- <div class="logo">
      <img src="../../assets/images/header_logo.png" />
    </div>-->
    <div class="header-right">
      <div class="header-user-con">
        <!-- 全屏显示 -->
        <div class="btn-fullscreen" @click="handleFullScreen">
          <el-tooltip effect="dark" :content="fullscreen ? quxiaoquanping : quanping" placement="bottom">
            <i class="el-icon-rank"></i>
          </el-tooltip>
        </div>
        <el-dropdown class="user-name" trigger="click" @command="handleCommand">
          <span class="el-dropdown-link">
            {{ userName }}
            <i class="el-icon-caret-bottom"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item divided command="loginout">
              退出登录
            </el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </div>
    </div>
  </div>
</template>
<script>
import bus from "../common/bus";
export default {
  data () {
    return {
      collapse: true,
      fullscreen: false,
      name: "CK",
      logoImg: require('../../assets/images/logo.png'),
      quanping:"全屏",
      quxiaoquanping:"取消全屏"
    };
  },
  computed: {
    userName () {
      let userName = localStorage.getItem("userName");
      return userName ? userName : this.name;
    },
  },
  methods: {
    // 用户名下拉菜单选择事件
    async handleCommand (command) {
      if (command == "loginout") {
        this.$router.push("/admin/login");
        this.$message.success("退出成功");
        localStorage.clear();
        sessionStorage.clear();
        // let res = await this.$axios.get(this.API.login.logout, {
        //   params: {
        //     userName: localStorage.getItem("userName"),
        //   },
        // });
        // let { Status, Msg } = res.data;
        // if (Status == "true") {
        //   this.$message.success("退出成功");
        //   localStorage.clear();
        //   this.$router.push("/login");
        // } else {
        //   this.$router.push("/");
        //   this.$message.error(Msg);
        // }
      }
    },
    // 侧边栏折叠
    collapseChage () {
      this.collapse = !this.collapse;
      bus.$emit("collapse", this.collapse);
    },
    // 全屏事件
    handleFullScreen () {
      let element = document.documentElement;
      if (this.fullscreen) {
        if (document.exitFullscreen) {
          document.exitFullscreen();
        } else if (document.webkitCancelFullScreen) {
          document.webkitCancelFullScreen();
        } else if (document.mozCancelFullScreen) {
          document.mozCancelFullScreen();
        } else if (document.msExitFullscreen) {
          document.msExitFullscreen();
        }
      } else {
        if (element.requestFullscreen) {
          element.requestFullscreen();
        } else if (element.webkitRequestFullScreen) {
          element.webkitRequestFullScreen();
        } else if (element.mozRequestFullScreen) {
          element.mozRequestFullScreen();
        } else if (element.msRequestFullscreen) {
          // IE11
          element.msRequestFullscreen();
        }
      }
      this.fullscreen = !this.fullscreen;
    },
  
  },
  mounted () {
    console.log(localStorage.getItem("userName"))
    if (document.body.clientWidth < 1500) {
      this.collapseChage();
    }
  },
};
</script>
<style lang="less" scoped>
.header {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 44px;
  font-size: 22px;
  color: #fff;
}
.collapse-btn {
  float: left;
  padding: 0 21px;
  cursor: pointer;
  line-height: 44px;
}
.header .logo {
  float: left;
  max-height: 44px;
  margin-right: 5px;
  img {
    height: 38px;
    margin-top: 3px;
  }
}
.header-right {
  float: right;
  padding-right: 50px;
}
.header-user-con {
  display: flex;
  height: 44px;
  align-items: center;
}
.btn-fullscreen {
  transform: rotate(45deg);
  margin-right: 5px;
  font-size: 24px;
}
.user-name {
  margin-left: 10px;
}
.user-avator {
  margin-left: 20px;
}
.user-avator img {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
.el-dropdown-link {
  color: #fff;
  cursor: pointer;
}
.el-dropdown-menu__item {
  text-align: center;
}
.language {
  width: 80px;
  cursor: pointer;
  .icon-lang {
    color: #fff;
    padding-left: 10px;
    font-size: 13px;
    &::before {
      padding-right: 4px;
    }
  }
}
</style>
